1750789720

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{239}}^1\times {\mathrm{4259}}^1$

素因数の和:4552

約数の個数: 64

約数和(自身を含む): 4048704000

約数和(自身を除く): 2297914280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 239, 344, 430, 478, 860, 956, 1195, 1720, 1912, 2390, 4259, 4780, 8518, 9560, 10277, 17036, 20554, 21295, 34072, 41108, 42590, 51385, 82216, 85180, 102770, 170360, 183137, 205540, 366274, 411080, 732548, 915685, 1017901, 1465096, 1831370, 2035802, 3662740, 4071604, 5089505, 7325480, 8143208, 10179010, 20358020, 40716040, 43769743, 87539486, 175078972, 218848715, 350157944, 437697430, 875394860, 1750789720]

約数ペア:

[(1, 1750789720), (2, 875394860), (4, 437697430), (5, 350157944), (8, 218848715), (10, 175078972), (20, 87539486), (40, 43769743), (43, 40716040), (86, 20358020), (172, 10179010), (215, 8143208), (239, 7325480), (344, 5089505), (430, 4071604), (478, 3662740), (860, 2035802), (956, 1831370), (1195, 1465096), (1720, 1017901), (1912, 915685), (2390, 732548), (4259, 411080), (4780, 366274), (8518, 205540), (9560, 183137), (10277, 170360), (17036, 102770), (20554, 85180), (21295, 82216), (34072, 51385), (41108, 42590)]